[问答题]
Real springs have mass. Will the true period and q5ln* e kdo bu695/jsbfrequency be,7yd jaaivs+bf3 ) zto+ly:-kebn4 ;j larger or smaller than given ,+d3a4:fav+ )- jyeblot7jb ;zikn ysby the equations for a mass oscillating on the end of an idealized massless spring? Explain.